document.write( "Question 974628: A parts manufacturer has 40 kg of a copper and zinc alloy which contains 8 kg of zinc. Find the amount of copper which must be added if the manufacturer requires a new alloy containing 10% zinc. \n" ); document.write( "
Algebra.Com's Answer #596527 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Copper will dilute the Zinc.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "NOTE: This seemed a little easier converting fully into regular fractions than percents or mixing percents with regular fractions. Usually the choice is yours when you solve, depending on instructions. \n" ); document.write( " |